diff --git a/requirements.txt b/requirements.txt
index 5137106..7191bcd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ rsa==3.4.2
 s3transfer==0.2.1
 six==1.12.0
 tornado==6.0.4
-urllib3==1.25.3
+urllib3==1.26.5
diff --git a/requirements_test.txt b/requirements_test.txt
index ac81a11..071e53a 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -6,4 +6,4 @@ certifi==2019.6.16
 chardet==3.0.4
 idna==2.8
 requests==2.22.0
-urllib3==1.25.3
+urllib3==1.26.5